AS12218 American Institutes for Research

AMERICAN-INSTITUTES-FOR-RESEARCH - American Institutes for Research · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,667largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#49,763of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS12218 in ASN lookup Look up an IP in this network (38.118.81.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

38.118.81.0/24
38.118.83.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS12201#10664 SCC-LAKELAND - Saddle Creek Corporation512

AS12205#10665 SCSD - Sachem Central School District512

AS12209#10666 GIROSOL - Girosol, Corp.512

AS12219#10668 MILLERS-SUPPLIES-AT-WORK-INC - Miller's Supplies at Work512

AS12238#10669 AECOM - AECOM512

AS12259#10670 EBOCOM - EBOCOM LLC512

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources